Thailand's Princess Bajrakitiyabha Narendira Debyavati, the eldest child of King Maha Vajiralongkorn, has died aged 47, after multiple health problems and nearly four years in a coma. The princess was taken to hospital in December 2022 after a sudden loss of consciousness caused by a heart condition while visiting the northeastern province of Nakhon Ratchasima. Bajrakitiyabha was flown by helicopter to the capital Bangkok for treatment.